watchOS 5.1.1

This update includes improvements and bug fixes:

Apple Watch Series 4 automatically contacts emergency services if you are immobile for about a minute after detecting a hard fall. The watch will now also play a message that informs the responder that Apple Watch has detected a fall and shares your location coordinates when possible.

Fixes an issue that could cause an incomplete installation of the Walkie-Talkie app for some users

Resolves an issue that prevented some users from being able to send or receive invitations on Walkie-Talkie

Addresses an issue where some previously earned Activity awards were not showing in the Awards tab of the Activity app for some users